Busby, E; Whale, AS; Ferns, RB; Grant, PR; Morley, G; Campbell, J; Foy, CA; ... Garson, JA; + view all (2017) Instability of 8E5 calibration standard revealed by digital PCR risks inaccurate quantification of HIV DNA in clinical samples by qPCR. Scientific Reports , 7 , Article 1209. 10.1038/s41598-017-01221-5. Green open access